. 2021 Jun 25;12:689174. doi: 10.3389/fmicb.2021.689174

TABLE 1.

Comparison of metabolic functional diversity indices of paper mulberry silage microbial communities.

Item	Ad	Ensiling time (T)					SEM	p-Value
		3 days	7 days	15 days	30 days	60 days		T	Ad	T × Ad
H′	CK	2.888^a	2.457^b	1.333^d	1.814^c	1.776^c	0.141	<0.001	<0.001	0.049
	LB	2.984^a	2.717^a	1.839^b	1.933^b	1.753^b
	LP	2.926^a	2.597^a	1.593^b	1.861^b	1.883^b
E	CK	0.940^b	0.900^c	0.962^ab	0.984^a	0.991^a	0.006	<0.001	0.601	0.021
	LB	0.952^ab	0.935^b	0.955^ab	0.975^a	0.979^a
	LP	0.943^bc	0.932^c	0.968^ab	0.983^a	0.971^ab
D	CK	0.940^a	0.899^b	0.724^d	0.832^c	0.828^c	0.017	<0.001	0.001	0.003
	LB	0.945^a	0.928^a	0.826^b	0.848^b	0.819^b
	LP	0.942^a	0.918^a	0.783^b	0.840^b	0.840^b

H′, Shannon diversity; E, Shannon evenness; D, Simpson diversity; T, silage time; Ad, additives; SEM, standard error of the mean. ^a–dMeans in the same row with different superscripts differ significantly (p < 0.05).